Chess South Africa
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Chess South Africa
Chen, J (Jianan)
Dob:
2009/07/06 (U16)
Gender:
Male
Chess SA id:
1090154938
FIDE id:
Region:
Ekurhuleni (GE)
Citizen:
RSA
Title(s):
Last active:
2024/03/02 (267 days ago)
Ratings
The
Projected values
below are
NOT
the actual and official values as calculated by the Ratings Bureau.
Main
Standard
Rapid
Blitz
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1162.9
Current Weighted rating
1164.8
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1164.8
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±174.8
Current Raw change used (final)
0.0
Projected new Raw rating
1162.9
Projected new Weighed rating
1071.1
Projected new Weighted performance
264.4
Projected new final Raw rating (if new WP > new Raw)
1162.9
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1162.9
Projected effective change (new Official - current Official)
-1.9
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1155.4
Current Weighted rating
1157.6
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1157.6
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±176.7
Current Raw change used (final)
0.0
Projected new Raw rating
1155.4
Projected new Weighed rating
1064.5
Projected new Weighted performance
264.4
Projected new final Raw rating (if new WP > new Raw)
1155.4
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1155.4
Projected effective change (new Official - current Official)
-2.2
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
s
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Raw rating
=Current rating,
Weighted rating (WR)
=Weighted average of current/new Raw rating + last 23 published Raw ratings),
Weighted performance (WP)
=Weighted average of last 5 tournaments
Current Raw rating
1200.0
Current Weighted rating
1200.0
Current Weighted performance
Current official/published rating (highest between Raw, WR and WP)
1200.0
Current highest rating achieved
1200.0
Current floor (min rating allowed)
700.0
Current K-factor
36
Games played this month
0
Score (S)
0.0
Expected score (We)
0.00
Difference (S-We)
0.00
Current Raw change (no limits, including tournament time weight)
0.0
Current min/max change allowed (with limits)
±165.8
Current Raw change used (final)
0.0
Projected new Raw rating
1200.0
Projected new Weighed rating
1104.0
Projected new Weighted performance
Projected new final Raw rating (if new WP > new Raw)
Projected new highest rating
1200.0
Projected new floor
700.0
Projected new K-facor
36
Projected new official/published rating (highest between new Raw, new WR and new WP)
1200.0
Projected effective change (new Official - current Official)
=0.0
Tournaments
History
Did not participate this month.
#
Tournament
Start
End
Host
Type
Time
Weight
Rns
Gms
Scr
Main
Type
Analysis
1
Kempton Park Cluster Individuals 2024 (U15 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
6
0
0.0
1162.9
1200.0
Analysis
#
Tournament
Start
End
Host
Type
Time
Weight
Rounds
Games
Score
Main
Type
Analysis
2
Kempton Park Cluster Individuals 2024 (U15 Boys)
2024/03/02
2024/03/02
Ekurhuleni (GE)
Rapid
30
0.60
6
0
0.0
1162.9
1200.0
Analysis
1
Ekurhuleni North Schools Individual Finals 2023 (U15 Boys)
2023/05/13
2023/05/13
Ekurhuleni (GE)
Standard
60
0.83
5
5
1.0
1200.0
1200.0
Analysis
Game History
History
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Standard
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Colour
Games
Wins
Draws
Losses
Score
%
Dp
Aor
Perform
Main
All
5
1
0
4
1.0
20.0
-255.0
1236.9
981.9
White
2
0
0
2
0.0
0.0
-425.0
1200.0
775.0
Black
3
1
0
2
1.0
33.3
-141.7
1261.5
1119.9
Standard
All
5
1
0
4
1.0
20.0
-255.0
1236.9
981.9
White
2
0
0
2
0.0
0.0
-425.0
1200.0
775.0
Black
3
1
0
2
1.0
33.3
-141.7
1261.5
1119.9
Rapid
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Blitz
All
0
0
0
0
0.0
0.0
0.0
0.0
0.0
White
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Black
0
0
0
0
0.0
0.0
0.0
0.0
0.0
Top 20 opponents most often played
#
Chess SA id
Name
Games
Score
Wins
Draws
Losses
%
Aor
Dp
Perform
View
1
1090154948
Mashego, T (Thapelo)
1
1.0
1
0
0
100.0
1200.0
425.0
1625.0
View list
2
1090154954
Ntanta, T (Thabiso)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
3
1090154952
Naidoo, M (Mateo Ronald)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
4
1080154950
Moodley, L (Lerelle)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
5
1090135387
Del Grosso, G (Gianluca Gabriele)
1
0.0
0
0
1
0.0
1200.0
-425.0
775.0
View list
